<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    /* p {
      font-size: 60px;
      color: red;
    }

    div {
      font-size: 60px;
      color: red;
    } */

    /*  针对于冗余（多余）代码，会抽取出公共的类  */

    .common {
      font-size: 60px;
      color: red;
    }
  </style>
</head>
<body>
  <!-- 要求：满足他们的想法 -->
  <p class="common">我想变大，也想变红</p>
  <div class="common">我想变大，也想变红</div>
</body>
</html>